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Vibrational studies of alkali metal hexatungstates
Author(s) -
Mączka M.,
Hanuza J.,
Waśkowska A.
Publication year - 2003
Publication title -
journal of raman spectroscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.748
H-Index - 110
eISSN - 1097-4555
pISSN - 0377-0486
DOI - 10.1002/jrs.1017
Subject(s) - rubidium , raman spectroscopy , tungsten , valence (chemistry) , caesium , alkali metal , chemistry , crystallography , bronze , crystal structure , metal , atom (system on chip) , potassium , inorganic chemistry , materials science , metallurgy , physics , organic chemistry , computer science , embedded system , optics
Raman and IR studies of potassium, rubidium and cesium hexatungstate single crystals were performed. Assignments of the observed bands are proposed. These studies confirm that the crystal structure of hexatungstates is related to the hexagonal bronze structure but it contains a large number of W atom vacancies. The vibrational properties of these compounds are similar to those of valence‐balanced hexagonal tungsten bronzes obtained by partial substitution of W atoms by atoms with a lower valence. Copyright © 2003 John Wiley & Sons, Ltd.

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